# Copyright (c) 2021, Oracle and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is also distributed with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation.  The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have included with MySQL.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License, version 2.0, for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

#
# Configuration for building Kerberos authentication client Plug-in (client-side)
#

# The client authentication plug-in is part of the community build.
# Build it if we have found the necessary libraries.

# Skip it if disabled.
IF(NOT WITH_AUTHENTICATION_CLIENT_PLUGINS)
  MESSAGE(STATUS "Skipping the KERBEROS client authentication plugin.")
  RETURN()
ENDIF()

MESSAGE(STATUS "GSSAPI_LIBRARIES  ${GSSAPI_LIBRARIES}")
MESSAGE(STATUS "KERBEROS_LIBRARIES  ${KERBEROS_LIBRARIES}")
MESSAGE(STATUS "GSSAPI_INCLUDE_DIR  ${GSSAPI_INCLUDE_DIR}")
MESSAGE(STATUS "KERBEROS_INCLUDE_DIR  ${KERBEROS_INCLUDE_DIR}")

IF(KERBEROS_INCLUDE_DIR AND GSSAPI_INCLUDE_DIR)
  IF(NOT WITH_KERBEROS STREQUAL "system")
    IF(KERBEROS_INCLUDE_DIR)
      INCLUDE_DIRECTORIES(BEFORE SYSTEM ${KERBEROS_INCLUDE_DIR})
    ENDIF()
    IF(GSSAPI_INCLUDE_DIR)
      INCLUDE_DIRECTORIES(BEFORE SYSTEM ${GSSAPI_INCLUDE_DIR})
    ENDIF()
  ENDIF()
  SET(MY_SQL "mysqlclient")
ELSE()
  MESSAGE(WARNING
    "Skipping the KERBEROS client authentication plugin.")
  RETURN()
ENDIF()

MYSQL_ADD_PLUGIN(authentication_kerberos_client
  auth_kerberos_client_plugin.cc
  gssapi_authentication_client.cc
  gssapi_utility.cc
  auth_kerberos_client_io.cc
  kerberos_client.cc
  kerberos_core.cc
  log_client.cc
  LINK_LIBRARIES
  # Uncomment to verify that all symbols are found.
  # ${LINK_FLAG_NO_UNDEFINED}
  ${GSSAPI_LIBRARIES}
  ${KERBEROS_LIBRARIES}
  ${SSL_LIBRARIES}
  ${LIBDL}
  ${MY_SQL}
  CLIENT_ONLY
  MODULE_ONLY
  MODULE_OUTPUT_NAME "authentication_kerberos_client")

# MYSQL_ADD_PLUGIN may have decided not to build it.
IF(NOT TARGET authentication_kerberos_client)
  RETURN()
ENDIF()
